The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  0  1  1  2  2  2  1  1  1  2
 0  2  0  0  0  2  6  2  4  0  4  2  2  4  2  6  0  0  2  6  4  4  0  0  2  6  6  2  2  0  6  4  2  2  6  6  6  4  6  2  4  2
 0  0  2  0  2  2  2  4  6  2  4  2  6  4  0  0  6  6  4  2  4  6  4  4  0  6  4  4  6  2  0  4  4  2  6  0  4  4  2  6  0  6
 0  0  0  2  2  0  2  6  2  4  0  0  6  2  2  0  6  4  6  4  2  6  0  2  0  2  0  2  6  0  4  0  4  0  4  0  4  6  6  4  4  0
 0  0  0  0  4  0  0  0  0  0  4  0  4  4  0  4  0  4  4  4  0  4  0  4  4  0  0  4  4  4  4  4  4  4  0  4  4  0  4  0  0  4
 0  0  0  0  0  4  4  0  4  4  0  0  0  0  4  4  0  0  0  0  4  4  4  4  0  0  4  4  4  4  4  4  4  4  4  4  4  0  4  0  0  0

generates a code of length 42 over Z8 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+141x^36+226x^38+32x^39+291x^40+224x^41+254x^42+224x^43+264x^44+32x^45+206x^46+123x^48+18x^50+11x^52+1x^72

The gray image is a code over GF(2) with n=168, k=11 and d=72.
This code was found by Heurico 1.16 in 0.196 seconds.